| Schuko di fferential controller The SDR21 unit is a single circuit di erential controller. Thanks to the installation in the Schuko intermediate plug housing, no wiring work to connect to the mains supply is necessary. Due to the wide adjustment range, use in a large number of application areas is possible, such as service water and swimming bath solar systems, charging pumps or fan controllers.
Features: - Adjustable di erential temperature
- Adjustable minimum or maximum function
- Tank overtemperature protection
- Overvoltage protection at all inputs
- Suitable for KTY and PT1000 sensors
- All switch hystereses are adjustable and temperature dependent
- Solar start function
- Pump blocking if a collector overtemperature exists
- Simplest installation and operation
- Supplied with sensors and immersion sleeve
- Programming is performed by the entering the program number
| Differential temperature: | adjustable from 2 to 12°C (hysteresis = 3 K) | | Minimum / maximum threshold values: | adjustable from 40 to 90°C (hysteresis = 3 K) | | Accuracy: | typ. ±2% | | Operating voltage: | 230 V AC 50-60 Hz | | Power consumption: | max. 2 W | | Rated current load: | max. 2.5 A | | Output: | 230 V AC / max. 200 VA | | Fuse: | 3.15 A quick-blow (unit + output) | | Transformer: | short-circuit proof | | Protection class: | II - protective insulation | | Protection degree: | IP40 | | Dimensions (W/H/D) | 65 x 120 x 87 mm | | Weight: | 280 g | | Permissible ambient temperature | 0 to 45 °C | | Art. no. | 01/SDR21
| KFPT1000
| 1
| BFPT1000
| 1
| TH140
| 1 | | 
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14.09.2011 
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